Addressing Secondhand Smoke: Tobacco and Cannabis Smoke in Multi Unit Housing Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Secondhand smoke comes from more than just cigarettes. From vapes to cannabis to hookah, secondhand smoke from all products can expose people to harmful chemicals and pollutants. In this blog, Onjewel Smith Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine What Chemicals Are Present in Secondhand Vape Emissions? Is Second Hand Vapor from E Cigarettes Dangerous? [Infographic] Techno FAQ